From: Serge Gautherie <reactos-git_serge_fake@gautherie.fr>
Date: Mon, 20 Dec 2016 12:57:00 +0100
Subject: [OPENGL]
glu32/.../gluos.h: Use (#if __REACTOS__) _WIN32_WINNT=0x0502, instead of 0x0400.
CORE-12588


diff --git a/reactos/dll/opengl/glu32/src/include/gluos.h b/reactos/dll/opengl/glu32/src/include/gluos.h
index 28fd588..21401dd 100644
--- a/reactos/dll/opengl/glu32/src/include/gluos.h
+++ b/reactos/dll/opengl/glu32/src/include/gluos.h
@@ -48,7 +48,12 @@
 #ifndef _WIN32_WINNT
   /* XXX: Workaround a bug in mingw-w64's headers when NOGDI is set and
    * _WIN32_WINNT >= 0x0600 */
+ #if __REACTOS__
+  /* CORE-12588: 0x0400 is not supported (anymore). */
+  #define _WIN32_WINNT 0x0502
+ #else
   #define _WIN32_WINNT 0x0400
+ #endif
 #endif
 #ifndef STRICT
   #define STRICT 1